--------------020503000008070704030306
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit

I'm new to ruby so this was quite a fun little thing to help me get up 
to speed on what you can do with the language.

since this quite small and simple I've attached it.

thanks
jason

--------------020503000008070704030306
Content-Type: text/plain;
 name
onvert.rb"
Content-Transfer-Encoding: 7bit
Content-Disposition: inline;
 filename
onvert.rb"

#!/usr/bin/env ruby

@data  
["M"  , 1000],
["CM" , 900],
["D"  , 500],
["CD" , 400],
["C"  , 100],
["XC" ,  90],
["L"  ,  50],
["XL" ,  40],
["X"  ,  10],
["IX" ,   9],
["V"  ,   5],
["IV" ,   4],
["I"  ,   1]
]

@roman  r{^[CDILMVX]*$}
@arabic  r{^[0-9]*$}

def toRoman(num)
    reply  "
    for key, value in @data
        count, num  um.divmod(value)
        reply << (key * count)
    end
    reply
end

def toArabic(rom)
    reply  
    for key, value in @data
        while rom.index(key) 0
            reply + alue
            rom.slice!(key)
        end
    end
    reply
end

$stdin.each do |line|
    case line
    when @roman
        puts toArabic(line)
    when @arabic
        puts toRoman(line.to_i)
    end
end


--------------020503000008070704030306--